#include <bits/stdc++.h>
using namespace std;
bitset<505> a[505], now[505], pre[505];
int main(){
cin.tie(0)->sync_with_stdio(false);
int n, m, k;
cin >> n >> m >> k;
for(int i=1; i<=n; i++){
for(int j=0; j<m; j++){
char x;
cin >> x;
a[i][j]=(x=='.');
}
pre[i]=a[i];
}
string op;
cin >> op;
for(auto e:op){
for(int i=1; i<=n; i++){
if(e=='N')now[i]=pre[i+1];
if(e=='S')now[i]=pre[i-1];
if(e=='E')now[i]=pre[i]<<1;
if(e=='W')now[i]=pre[i]>>1;
if(e=='?'){
now[i]=(pre[i+1])|(pre[i-1])|(pre[i]<<1)|(pre[i]>>1);
}
}
for(int i=1; i<=n; i++)pre[i]=now[i]&a[i];
}
int ans=0;
for(int i=1; i<=n; i++)ans+=pre[i].count();
cout << ans;
return 0;
}
/*
5 9 7
...##....
..#.##..#
..#....##
.##...#..
....#....
WS?EE??
22
*/
